Area of Quadrilaterals Challenge
A randomised 10-question challenge where students calculate area for triangles, parallelograms, trapeziums, rhombuses, kites and composite shapes, with new numbers each…
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Mathematics · Measurement & Trigonometry
Circle Circumference & Pi Guided
A guided investigation where students connect radius, diameter and circumference, measure how many diameters fit around a circle, discover π as the circumference-to-diameter ratio, and use C = πd and C = 2πr.
Years 8–9Guided investigationCircle Circumference and Pi
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Circle Circumference & Pi Guided is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.